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Fig. 5. Regional variation in number of dorsal scale rows. Scale-row reduction
occurs at mid-body, approximately at the level of the pylorus. Data on scale
rows were collected from 108 skin samples obtained from 12 specimens. Values
in parentheses indicate the number of samples included for regions in which
all 12 samples were not used. Two skin samples (one each for regions
e and f) in transitional states of scale-row reduction were
excluded from this data set. The location of the pylorus, between regions
e and f, is indicated by a broken line.
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